rust/tests/ui/mir/issue-77359-simplify-arm-identity.rs

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// run-pass
#![allow(dead_code)]
#[derive(Debug)]
enum MyEnum {
Variant1(Vec<u8>),
Variant2,
Variant3,
Variant4,
}
fn f(arg1: &bool, arg2: &bool, arg3: bool) -> MyStruct {
if *arg1 {
println!("{:?}", f(&arg2, arg2, arg3));
MyStruct(None)
} else {
match if arg3 { Some(MyEnum::Variant3) } else { None } {
Some(t) => {
let ah = t;
return MyStruct(Some(ah));
}
_ => MyStruct(None)
}
}
}
#[derive(Debug)]
struct MyStruct(Option<MyEnum>);
fn main() {
let arg1 = true;
let arg2 = false;
f(&arg1, &arg2, true);
}